Definition of controller in English:



  • 1A person or thing that directs or regulates something.

    ‘the power controller on a subway train’
    • ‘It takes a year of regular training before controllers can consider themselves fully fledged.’
    • ‘A trainee controller mistakenly directed a plane to descend through the flight level of another plane.’
    • ‘As for comfort, I think I read that you can just rest it on your thigh like a regular controller.’
    • ‘This would be controlled automatically by the lower element temperature controllers.’
    • ‘According to the police reports, no one tried to come to her help or even pulled the signal to warn a controller.’
    • ‘Mission controllers received a signal from the craft some 90 minutes after launch, confirming that all was well.’
    • ‘This causes me to not be able to close the door if I install the fan controller.’
    • ‘The electronics of fan controllers can sometimes run very hot.’
    • ‘The CCTV will be monitored by controllers in Bradford who have direct contact with police.’
    • ‘The probe was also used to help train flight controllers how to acquire radio signals from space.’
    • ‘Hughes, who is an air-traffic controller, also invests regularly as an individual.’
    • ‘In effect, they act as replacement storage controllers for the devices they are virtualizing.’
    • ‘The fan will still get power from the fan controller; it will just be monitored by both.’
    • ‘Enthusiasts want to see the drivers do the business, not an electronic controller from the pits.’
    • ‘The engine and automatic transmission controllers are combined into a single processor.’
    • ‘Data is fed from the antenna to the robot controller, enabling it to sense its position.’
    • ‘Electricity board controllers were able to re-route power to most areas quite quickly, said the spokesman.’
    • ‘It had been alleged that a particular dealer had behaved fraudulently and the controller duly exercised the power.’
    • ‘The pin in the processor connected to the controller is called the interrupt request line.’
    • ‘As the helicopters arrived, controllers smoothly directed them to the awaiting refuelers.’
    administrator, manager, chairman, chairwoman, chairperson, chair, head, chief, boss, principal, leader, governor, president, premier
    supervisor, regisseur, producer, auteur, choreographer
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    1. 1.1 A person in charge of an organization's finances.
      • ‘So what can he suggest to the financial controller desperately looking for value for money?’
      • ‘As well as being the finance controller Liz's job began to take on responsibility for human resources and IT.’
      • ‘Central bankers are now more the observers of international finance rather than the controllers of it.’
      • ‘Soon after he left for London, and had a successful career, becoming financial controller of BBC Radio.’
      • ‘Finally the administrative controllers were to be charged with the annual audit of each set of plant accounts.’
      • ‘She worked extremely hard and after 10 years she was promoted to financial controller.’
      • ‘It cannot be done and no company would be allowed get away with it by a responsible financial controller.’
      • ‘Ella's ambition is to become a financial controller within the next five to ten years.’
      • ‘Why should the bank be prepared to finance a company where the controllers have contributed apparently so little?’
      • ‘Fuel cards allow financial controllers and department heads tighter control over operating budgets.’
      • ‘Chief financial officers and controllers are generally thought of as employees of organizations.’
      • ‘John Punch is the financial controller and Martin Punch is company secretary.’
      organizer, manager, producer, stage manager
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Middle English (denoting a person who kept a duplicate register of accounts): from Anglo-Norman contrerollour, from contreroller ‘keep a copy of a roll of accounts’ (see control). Compare with comptroller.